单选

以数据报方式分组交换传输数据时,下列选项.(54)的说法是不正确的。

  • A.较灵活
  • B.可靠性强
  • C.传送少量分组的情况下,传送速度较快
  • D.经过节点时,节点不需要为每个分组作路径选择判断
参考答案
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